The most expensive car in the world is the rolls-royce la rose noire droptail. Touted as the costliest car ever made at a staggering rs. Rolls-royce la rose noire droptail serves as the british luxury car maker’s tribute to automobile craftsmanship. Rolls-royce la rose noire droptail | ₹250 crores | $30 million. The most expensive car in the world is the rolls-royce la rose noire droptail.What is the Rolls Royce Boat Tail price in India? Rolls Royce Boat Tail is priced over Rs.